Grumman J2F Duck

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J2F Duck
Grumman J2F-6 Duck Candy Clipper BuNo 33549 N1214N 1st Pass 10 15thAnny FOF 28Nov2010 (cropped).jpg
Grumman J2F-6 Duck "Candy Clipper" BuNo 33549 / civil reg N1214N
General information
Type Utility amphibian
National originUnited States
Manufacturer Grumman
Columbia Aircraft Corp
Primary users United States Navy
Number built584
History
Introduction date1936
First flight2 April 1936
Developed from Grumman JF Duck

The Grumman J2F Duck (company designation G-15) is an American single-engine amphibious biplane. It was used by each major branch of the U.S. armed forces from the mid-1930s until just after World War II, primarily for utility and air-sea rescue duties. It was also used by the Argentine Navy, who took delivery of their first example in 1937. After the war, J2F Ducks saw service with independent civilian operators, as well as the armed forces of Colombia and Mexico.

Contents

The J2F was an improved version of the earlier JF Duck, the main differences being a longer float and a more-powerful engine (900 horsepower versus 775). [1]

Development

The J2F-1 Duck first flew on 2 April 1936, powered by a 750 hp (559 kW) Wright R-1820 Cyclone, and was delivered to the U.S. Navy on the same day. The J2F-2 had an uprated Wright Cyclone engine of 790 hp (589 kW). Twenty J2F-3 variants were built in 1939 for use by the Navy as executive transports with plush interiors. Due to pressure of work following the United States entry into the war in 1941, production of the J2F Duck was transferred to the Columbia Aircraft Corp of New York. They produced 330 aircraft for the Navy and U.S. Coast Guard. [2] If standard Navy nomenclature practice had been followed, these would have been designated JL-1s, but it was not, and all Columbia-produced airframes were delivered as J2F-6s. [3]

Several surplus Navy Ducks were converted for use by the United States Air Force in the air-sea rescue role as the OA-12 in 1948.

Design

The J2F was an equal-span single-bay biplane with a large monocoque central float which also housed the retractable main landing gear, a similar design to the Leroy Grumman-designed landing gear first used for Grover Loening's early amphibious biplane designs, and later adopted for the Grumman FF fighter biplane. The aircraft had strut-mounted stabilizer floats beneath each lower wing. A crew of two or three were carried in tandem cockpits, forward for the pilot and rear for an observer with room for a radio operator if required. It had a cabin in the fuselage for two passengers or a stretcher.

The Duck's main pontoon was blended into the fuselage, making it almost a flying boat despite its similarity to a conventional landplane which has been float-equipped. This configuration was shared with the earlier Loening OL, Grumman having acquired the rights to Loening's hull, float, and undercarriage designs. [4] Like the F4F Wildcat, its narrow-tracked landing gear was hand-cranked.

Operational history

The J2F was used by the U.S. Navy, Marines, Army Air Forces, and Coast Guard. Apart from general utility and light transport duties, its missions included mapping, scouting/observation, anti-submarine patrol, air-sea rescue work, photographic surveys, reconnaissance, and target tug.

J2Fs of the utility squadron of US Patrol Wing 10 were destroyed at Mariveles Naval Section Base, Philippines, by a Japanese air raid on 5 January 1942. [5] The only Duck to survive the attack had a dead engine but had been concealed at Cabcaben airfield during the Battle of Bataan, to be repaired afterwards with a cylinder removed from a destroyed J2F-4 submerged in Manila Bay. Following repairs the J2F-4 departed after midnight on 9 April 1942, overloaded with five passengers and the pilot, Roland J.Barnick, becoming the last aircraft to depart Bataan before the surrender of the Bataan to the Japanese only hours later. Among its passengers was Carlos P. Romulo (diplomat, politician, soldier, journalist, and author), who recounted the flight in his 1942 best-selling book I Saw the Fall of the Philippines (Doubleday, Doran & Company, Inc., Garden City, New York 1943, pp. 288–303), for which he received the Pulitzer Prize for Correspondence. [6] [7]

Variants

J2F-3 at NAS Jacksonville in 1940 J2F-3 NAS Jax 1940-2.jpg
J2F-3 at NAS Jacksonville in 1940
J2F-6 painted as an OA-12 at the National Museum of the United States Air Force Grumman OA-12 Duck USAF.jpg
J2F-6 painted as an OA-12 at the National Museum of the United States Air Force
J2F-1
Initial production version with 750 hp R-1820-20 engines, 29 built.
J2F-2
United States Marine Corps version with nose and dorsal guns and underwing bomb racks, 21 built.
J2F-2A
As J2F-2 with minor changes for use in the United States Virgin Islands, nine built.
J2F-3
J2F-2 but powered by an 850 hp R-1820-26 engine, 20 built.
J2F-4
J2F-2 but powered by an 850 hp R-1820-30 engine and fitted with target towing equipment, 32 built.
J2F-5
J2F-2 but powered by a 1,050 hp R-1820-54 engine, 144 built.
J2F-6
Columbia Aircraft built version of the J2F-5 with a 1,050 hp R-1820-64 engine in a long-chord cowling, fitted with underwing bomb racks and provision for target towing gear; 330 built.
OA-12
Air-sea rescue conversion for the United States Army Air Forces (and later United States Air Force, OA-12A).

Operators

Flag of Argentina.svg  Argentina
Flag of Colombia.svg  Colombia
Flag of Mexico.svg  Mexico
Columbia J2F-6 Duck in U.S. Marine Corps markings at the Planes of Fame Museum Columbia-built J2F-6 Duck USMC Valle AZ 22.10.05R.jpg
Columbia J2F-6 Duck in U.S. Marine Corps markings at the Planes of Fame Museum
Flag of Peru.svg  Peru
Flag of the United States (23px).png  United States

Surviving aircraft

Grumman J2F-6 Duck owned by Fantasy of Flight Kermit Weeks' Grumman Duck.JPG
Grumman J2F-6 Duck owned by Fantasy of Flight

Specifications (J2F-6)

3-view line drawing of the Grumman J2F Duck Grumman J2F Duck 3-view line drawing.png
3-view line drawing of the Grumman J2F Duck

Data from Jane’s Fighting Aircraft of World War II [31]

General characteristics

Performance

Armament

Cultural impact

A J2F Duck was used in the 1971 film Murphy's War , which includes a spectacular three-minute rough water takeoff scene along with numerous flying and aerobatic sequences. The actual airplane used in this film is on display at the National Museum of the United States Air Force near Dayton, Ohio, although it has been restored and painted to represent a rescue OA-12.[ citation needed ]

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

Notes

  1. Allen 1983, p. 49.
  2. Jordan, Corey C. "Grumman's Ascendency: Chapter Two." Archived 2012-03-25 at the Wayback Machine Planes and Pilots Of World War Two, 2000. Retrieved: 22 July 2011.
  3. Swanborough, Gordon, and Bowers, Peter M., "United States Navy Aircraft since 1911", Naval Institute Press, Annapolis, Maryland, 1976, Library of Congress card number 90-60097, ISBN   0-87021-792-5, page 221.
  4. Allen 1983, p. 47.
  5. Alsleben, Allan. "US Patrol Wing 10 in the Dutch East Indies, 1942." Archived 2023-07-05 at the Wayback Machine Forgotten Campaign: The Dutch East Indies Campaign 1941–1942, 2000. Retrieved: 22 July 2011.
  6. Whitman, John (1990). Bataan: Our Last Ditch. New York: Hippocrene Books. pp. 575–576. ISBN   0870528777.
  7. Romulo, Carlos (1946). I Saw the Fall of the Philippines. Garden City: Doubleday & Company, Inc. pp. 288–317.
  8. Nuñez Padin, 2002
  9. Lezon and Stitt 2003, pp. 41–42, 44–45
  10. Lezon and Stitt 2004, pp. 48–49.
  11. Lezon and Stitt 2004, p. 59.
  12. Allen 1983, p.77
  13. Allen 1983, p. 52.
  14. "Grumman J2F Duck". Mid America Flight Museum. Retrieved 4 May 2021.
  15. "Airframe Dossier - Grumman J2F-4 Duck, s/n 1649 USN, c/n 536, c/r N63850". Aerial Visuals. Retrieved 4 May 2021.
  16. "1945 Grumman Duck". Fantasy of Flight. 18 September 2013. Retrieved 4 May 2021.
  17. "Airframe Dossier - Grumman J2F-6 Duck, s/n 33549 USN, c/n 33549, c/r N1214N". Aerial Visuals. Retrieved 4 May 2021.
  18. "FAA Registry [N1214N]". Federal Aviation Administration. U.S. Department of Transportation. Retrieved 4 May 2021.
  19. "J2F-6 Duck". Erickson Aircraft Collection. Retrieved 4 May 2021.
  20. "Airframe Dossier - Grumman J2F-6 Duck, s/n 33559 USN, c/r N3960C". Aerial Visuals. Retrieved 4 May 2021.
  21. "FAA Registry [N3960C]". Federal Aviation Administration. U.S. Department of Transportation. Retrieved 4 May 2021.
  22. "J2F Duck". National Naval Aviation Museum. Archived from the original on 1 August 2018. Retrieved 4 May 2021.
  23. "Airframe Dossier - Grumman J2F-6 Duck, s/n 33581 USN". Aerial Visuals. Retrieved 4 May 2021.
  24. "Grumman OA-12 Duck". National Museum of the United States Air Force. 28 May 2015. Retrieved 4 May 2021.
  25. "Airframe Dossier - Grumman J2F-6 Duck, s/n 33587 USCG, c/r N67790". Aerial Visuals. Retrieved 4 May 2021.
  26. "Airframe Dossier - Grumman J2F-6 Duck, s/n 33594 USN, c/r N5SF". Aerial Visuals. Retrieved 4 May 2021.
  27. "FAA Registry [N5SF]". Federal Aviation Administration. U.S. Department of Transportation. Retrieved 4 May 2021.
  28. "Airframe Dossier - Grumman J2F-6 Duck, s/n 33614 USN, c/r N5855S". Aerial Visuals. Retrieved 4 May 2021.
  29. "1944 Grumman (Columbia) J2F-6 Duck - N1196N". EAA. Retrieved 4 May 2021.
  30. "Airframe Dossier - Grumman OA-12 Duck, s/n 48-0563 USAAF, c/n 32769, c/r N8563F". Aerial Visuals. Retrieved 4 May 2021.
  31. Bridgeman 1946, pp. 235–236.
  32. Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

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References

Further reading